File bd112c9e-qemu-add-vsock-virtio-options.patch of Package libvirt.22291
commit bd112c9e0f7523b90bf1362cf60deea7db05a32b
Author: Boris Fiuczynski <fiuczy@linux.ibm.com>
Date: Wed Jan 27 19:46:59 2021 +0100
qemu: Add virtio related options to vsock
Add virtio related options iommu, ats and packed as driver element attributes
to vsock devices. Ex:
<vsock model='virtio'>
<cid auto='no' address='3'/>
<driver iommu='on'/>
</vsock>
Signed-off-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Index: libvirt-6.0.0/docs/schemas/domaincommon.rng
===================================================================
--- libvirt-6.0.0.orig/docs/schemas/domaincommon.rng
+++ libvirt-6.0.0/docs/schemas/domaincommon.rng
@@ -4467,6 +4467,11 @@
<optional>
<ref name="alias"/>
</optional>
+ <optional>
+ <element name="driver">
+ <ref name="virtioOptions"/>
+ </element>
+ </optional>
</interleave>
</element>
</define>
Index: libvirt-6.0.0/src/conf/domain_conf.c
===================================================================
--- libvirt-6.0.0.orig/src/conf/domain_conf.c
+++ libvirt-6.0.0/src/conf/domain_conf.c
@@ -2387,6 +2387,7 @@ virDomainVsockDefFree(virDomainVsockDefP
virObjectUnref(vsock->privateData);
virDomainDeviceInfoClear(&vsock->info);
+ VIR_FREE(vsock->virtio);
VIR_FREE(vsock);
}
@@ -6483,6 +6484,15 @@ virDomainMemoryDefValidate(const virDoma
}
+static bool
+virDomainVsockIsVirtioModel(const virDomainVsockDef *vsock)
+{
+ return (vsock->model == VIR_DOMAIN_VSOCK_MODEL_VIRTIO ||
+ vsock->model == VIR_DOMAIN_VSOCK_MODEL_VIRTIO_TRANSITIONAL ||
+ vsock->model == VIR_DOMAIN_VSOCK_MODEL_VIRTIO_NON_TRANSITIONAL);
+}
+
+
static int
virDomainVsockDefValidate(const virDomainVsockDef *vsock)
{
@@ -6492,6 +6502,10 @@ virDomainVsockDefValidate(const virDomai
return -1;
}
+ if (!virDomainVsockIsVirtioModel(vsock) &&
+ virDomainCheckVirtioOptions(vsock->virtio) < 0)
+ return -1;
+
return 0;
}
@@ -16472,6 +16486,11 @@ virDomainVsockDefParseXML(virDomainXMLOp
if (virDomainDeviceInfoParseXML(xmlopt, node, &vsock->info, flags) < 0)
return NULL;
+ if (virDomainVirtioOptionsParseXML(virXPathNode("./driver", ctxt),
+ &vsock->virtio) < 0)
+ return NULL;
+
+
return g_steal_pointer(&vsock);
}
@@ -23262,6 +23281,9 @@ virDomainVsockDefCheckABIStability(virDo
return false;
}
+ if (!virDomainVirtioOptionsCheckABIStability(src->virtio, dst->virtio))
+ return false;
+
if (!virDomainDeviceInfoCheckABIStability(&src->info, &dst->info))
return false;
@@ -28165,6 +28187,7 @@ virDomainVsockDefFormat(virBufferPtr buf
g_auto(virBuffer) childBuf = VIR_BUFFER_INIT_CHILD(buf);
g_auto(virBuffer) attrBuf = VIR_BUFFER_INITIALIZER;
g_auto(virBuffer) cidAttrBuf = VIR_BUFFER_INITIALIZER;
+ g_auto(virBuffer) drvAttrBuf = VIR_BUFFER_INITIALIZER;
if (vsock->model) {
virBufferAsprintf(&attrBuf, " model='%s'",
@@ -28182,6 +28205,9 @@ virDomainVsockDefFormat(virBufferPtr buf
if (virDomainDeviceInfoFormat(&childBuf, &vsock->info, 0) < 0)
return -1;
+ virDomainVirtioOptionsFormat(&drvAttrBuf, vsock->virtio);
+
+ virXMLFormatElement(&childBuf, "driver", &drvAttrBuf, NULL);
virXMLFormatElement(buf, "vsock", &attrBuf, &childBuf);
return 0;
Index: libvirt-6.0.0/src/conf/domain_conf.h
===================================================================
--- libvirt-6.0.0.orig/src/conf/domain_conf.h
+++ libvirt-6.0.0/src/conf/domain_conf.h
@@ -2376,6 +2376,7 @@ struct _virDomainVsockDef {
virTristateBool auto_cid;
virDomainDeviceInfo info;
+ virDomainVirtioOptionsPtr virtio;
};
struct _virDomainVirtioOptions {
Index: libvirt-6.0.0/src/qemu/qemu_command.c
===================================================================
--- libvirt-6.0.0.orig/src/qemu/qemu_command.c
+++ libvirt-6.0.0/src/qemu/qemu_command.c
@@ -9673,6 +9673,9 @@ qemuBuildVsockDevStr(virDomainDefPtr def
virBufferAsprintf(&buf, ",id=%s", vsock->info.alias);
virBufferAsprintf(&buf, ",guest-cid=%u", vsock->guest_cid);
virBufferAsprintf(&buf, ",vhostfd=%s%u", fdprefix, priv->vhostfd);
+
+ qemuBuildVirtioOptionsStr(&buf, vsock->virtio, qemuCaps);
+
if (qemuBuildDeviceAddressStr(&buf, def, &vsock->info, qemuCaps) < 0)
return NULL;
Index: libvirt-6.0.0/tests/qemuxml2argvdata/vhost-vsock-ccw-iommu.s390x-latest.args
===================================================================
--- /dev/null
+++ libvirt-6.0.0/tests/qemuxml2argvdata/vhost-vsock-ccw-iommu.s390x-latest.args
@@ -0,0 +1,37 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/tmp/lib/domain--1-QEMUGuest1 \
+USER=test \
+LOGNAME=test \
+XDG_DATA_HOME=/tmp/lib/domain--1-QEMUGuest1/.local/share \
+XDG_CACHE_HOME=/tmp/lib/domain--1-QEMUGuest1/.cache \
+XDG_CONFIG_HOME=/tmp/lib/domain--1-QEMUGuest1/.config \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-s390x \
+-name guest=QEMUGuest1,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-QEMUGuest1/master-key.aes \
+-machine s390-ccw-virtio,accel=tcg,usb=off,dump-guest-core=off \
+-cpu qemu \
+-m 214 \
+-overcommit mem-lock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-boot strict=on \
+-drive file=/dev/HostVG/QEMUGuest1,format=raw,if=none,id=drive-virtio-disk0 \
+-device virtio-blk-ccw,scsi=off,devno=fe.0.0000,drive=drive-virtio-disk0,\
+id=virtio-disk0,bootindex=1 \
+-device virtio-balloon-ccw,id=balloon0,devno=fe.0.0001 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-device vhost-vsock-ccw,id=vsock0,guest-cid=4,vhostfd=6789,iommu_platform=on,\
+devno=fe.0.0002 \
+-msg timestamp=on
Index: libvirt-6.0.0/tests/qemuxml2argvdata/vhost-vsock-ccw-iommu.xml
===================================================================
--- /dev/null
+++ libvirt-6.0.0/tests/qemuxml2argvdata/vhost-vsock-ccw-iommu.xml
@@ -0,0 +1,37 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <disk type='block' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='virtio'/>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
+ </disk>
+ <controller type='pci' index='0' model='pci-root'/>
+ <memballoon model='virtio'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
+ </memballoon>
+ <panic model='s390'/>
+ <vsock model='virtio'>
+ <cid auto='no' address='4'/>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0002'/>
+ <driver iommu='on'/>
+ </vsock>
+ </devices>
+</domain>
Index: libvirt-6.0.0/tests/qemuxml2argvtest.c
===================================================================
--- libvirt-6.0.0.orig/tests/qemuxml2argvtest.c
+++ libvirt-6.0.0/tests/qemuxml2argvtest.c
@@ -3030,6 +3030,7 @@ mymain(void)
DO_TEST_CAPS_LATEST("vhost-vsock-auto");
DO_TEST_CAPS_ARCH_LATEST("vhost-vsock-ccw", "s390x");
DO_TEST_CAPS_ARCH_LATEST("vhost-vsock-ccw-auto", "s390x");
+ DO_TEST_CAPS_ARCH_LATEST("vhost-vsock-ccw-iommu", "s390x");
DO_TEST_CAPS_VER("launch-security-sev", "2.12.0");
Index: libvirt-6.0.0/tests/qemuxml2xmloutdata/vhost-vsock-ccw-iommu.s390x-latest.xml
===================================================================
--- /dev/null
+++ libvirt-6.0.0/tests/qemuxml2xmloutdata/vhost-vsock-ccw-iommu.s390x-latest.xml
@@ -0,0 +1,37 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='s390x' machine='s390-ccw-virtio'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <cpu mode='custom' match='exact' check='none'>
+ <model fallback='forbid'>qemu</model>
+ </cpu>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu-system-s390x</emulator>
+ <disk type='block' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='virtio'/>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0000'/>
+ </disk>
+ <controller type='pci' index='0' model='pci-root'/>
+ <memballoon model='virtio'>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0001'/>
+ </memballoon>
+ <panic model='s390'/>
+ <vsock model='virtio'>
+ <cid auto='no' address='4'/>
+ <address type='ccw' cssid='0xfe' ssid='0x0' devno='0x0002'/>
+ <driver iommu='on'/>
+ </vsock>
+ </devices>
+</domain>
Index: libvirt-6.0.0/tests/qemuxml2xmltest.c
===================================================================
--- libvirt-6.0.0.orig/tests/qemuxml2xmltest.c
+++ libvirt-6.0.0/tests/qemuxml2xmltest.c
@@ -1416,6 +1416,8 @@ mymain(void)
QEMU_CAPS_CCW);
DO_TEST("vhost-vsock-ccw-auto", QEMU_CAPS_DEVICE_VHOST_VSOCK,
QEMU_CAPS_CCW);
+ DO_TEST_CAPS_ARCH_LATEST("vhost-vsock-ccw-iommu", "s390x");
+
DO_TEST("riscv64-virt",
QEMU_CAPS_DEVICE_VIRTIO_MMIO);
Index: libvirt-6.0.0/docs/formatdomain.html.in
===================================================================
--- libvirt-6.0.0.orig/docs/formatdomain.html.in
+++ libvirt-6.0.0/docs/formatdomain.html.in
@@ -8960,8 +8960,11 @@ qemu-kvm -net nic,model=? /dev/null
element specifies the CID assigned to the guest. If the attribute
<code>auto</code> is set to <code>yes</code>, libvirt
will assign a free CID automatically on domain startup.
- <span class="since">Since 4.4.0</span></p>
-
+ <span class="since">Since 4.4.0</span>
+ The optional <code>driver</code> element allows to specify virtio
+ options, see <a href="#elementsVirtio">Virtio-specific options</a>
+ for more details.
+ <span class="since">Since 7.1.0</span></p>
<pre>
...
<devices>
